nanog mailing list archives
Re: Providers removing blocks on port 135?
From: Niels Bakker <niels=nanog () bakker net>
Date: Sun, 21 Sep 2003 00:53:41 +0200
* rpb () community net uk (Ray Bellis) [Sun 21 Sep 2003, 00:25 CEST]:
What we do have though are (optional) *inbound* filters that make sure no-one can connect to their privileged ports over TCP/IP, and a mandatory filter that says only our network can deliver to their SMTP service.
There's an ISP in the Netherlands who do that too for their DSL customers. Unfortunately, their mail servers are not that reliable to begin with and also spool mail only for 4 hours, so if your connection is down for the weekend (happens more often if you work for a company in direct competition with the telco that owns this particular ISP) all your mail bounces instead of getting spooled somewhere and delivered later... -- Niels.
Current thread:
- RE: Providers removing blocks on port 135?, (continued)
- RE: Providers removing blocks on port 135? Owen DeLong (Sep 19)
- RE: Providers removing blocks on port 135? Mark Borchers (Sep 19)
- Re: Providers removing blocks on port 135? bmanning (Sep 19)
- Re: Providers removing blocks on port 135? Sean Donelan (Sep 20)
- Re: Providers removing blocks on port 135? Owen DeLong (Sep 20)
- Re: Providers removing blocks on port 135? Rob Thomas (Sep 20)
- Re: Providers removing blocks on port 135? Owen DeLong (Sep 20)
- Re: Providers removing blocks on port 135? Ray Bellis (Sep 20)
- Re: Providers removing blocks on port 135? David B Harris (Sep 20)
- Re: Providers removing blocks on port 135? Ray Bellis (Sep 20)
- Re: Providers removing blocks on port 135? Niels Bakker (Sep 20)
- Re: Providers removing blocks on port 135? Richard Cox (Sep 20)
- Re: Providers removing blocks on port 135? Margie (Sep 20)
- Re: Providers removing blocks on port 135? Andy Walden (Sep 20)
- Re: Providers removing blocks on port 135? Margie (Sep 20)
- Re: Providers removing blocks on port 135? Jack Bates (Sep 22)
- Re: Providers removing blocks on port 135? Sean Donelan (Sep 20)
- Re: Providers removing blocks on port 135? Justin Shore (Sep 20)
- Any actual data to back up blocking Netbios ports? Sean Donelan (Sep 20)
- Re: Providers removing blocks on port 135? John Kristoff (Sep 21)
- Re: Providers removing blocks on port 135? Justin Shore (Sep 20)